"Astronomical Methods and Calculations" by Acker and Jaschek, 1986 Wiley. Very Good cond, except owner's name on edge - opposite spine. No markings inside. 343 p. hardbound. Worked problems range from Easy (Secondary school) to More Complex (Undergraduate) to Profound (Master's Degree). $15.00
"Data Analysis in Astronomy" by Gesu et al, 1985 Plenum Press. Excellent Cond / unmarked. 541 p., hardbound. $10.00
"Handbook of Space Astronomy and Astrophysics" by Zombeck, 1992, Cambridge Press. Good condition - no marks inside, paperback cover with very slight creases. 440 p. Formulae, tables, graphs, data, and terms. Valuable resource. $10.00
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